function load_elder_select() {
	if($('#elder_select').length==0) {return;}
	var floorId = $('#floor_select').val();

	$('#elder_select').html('<option value="" selected></option>');

	find_basic_by_json(path+'/elderBeHospital/findByFloorId', {floorId: floorId}, function(response) {
		for(var i=0; i<response.data.length; i++) {
			$('#elder_select').append('<option value="' + response.data[i].elderId
				+ '">' + response.data[i].elderName + '</option>');
		}
	});
}
